A line of rain is sweeping across the Susquehanna Valley (northwest to southeast) with an accompanying cold front.

A line of rain is sweeping across the Susquehanna Valley (northwest to southeast) with an accompanying cold front.

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Updated: 1:09 PM EDT Apr 22, 2015

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WEBVTT SUSAN: ETHAN: A LINE OF SHOWERS IS CROSSING OVER THAT SUSQUEHANNA VALLEY. DOWN TOWARDS GETTYSBURG AT THIS HOUR. WITH THE RAIN COMES A BIG SHOWER. TEMPERATURES DROPPING INTO THE 50'S, SOME SPOT IN THE -- SOME SPOTS IN THE 40'S. NOW TO HARRISBURG AREA. THIS WILL BECOME MORE WIDESPREAD AS IT PUSHES TO THE EAST. WITH THIS RAIN IS A STRONG COLD FRONT. IT IS BACK OVER NORTHWESTERN PORTIONS OF PENNSYLVANIA, NOW IN THE 30'S. YOU CAN SEE THE LEADING LINE THERE, AND 65 DEGREES AT THE AIRPORT. WIND OUT OF THE SOUTHWEST, TEMPERATURES ARE FALLING ON THE BACKSIDE OF THIS FRONT. TEMPERATURES WILL PEAK TODAY IN THE MID-60'S ACROSS MOST OF THE AREA. WE ARE DOWN IN THE 50'S FOR MOST OF THE AFTERNOON AND WILL KEEP DROPPING INTO THE 30'S OVERNIGHT FOR MOST OF US. NOT RULING OUT ISOLATED SHOWERS. THEN THE COOLER AIR STAYS WITH US. IT WILL BE A BLUSTERY DAY TOMORROW. WIND GUSTS AS MUCH AS 35 MILES PER HOUR TOMORROW AFTERNOON. HIGHS IN THE LOWER 50'S FOR MUCH OF THE AREA. WIND IS OUT OF THE SOUTH. SELINSGROVE AND CHAMBERSBURG THEY ARE STARTING TO CHURN OUT OF THE WEST. CHAMBERSBURG IS DOWN TO 50, CARLISLE 65. LANCASTER AND LEWISTOWN DOWN TO 39 DEGREES. 34 IN JOHNSTOWN. A BIG SWITCH IN TEMPERATURES AS WE HAD TO THE AFTERNOON HOURS AS THE COLD FRONT COMES THROUGH TO THE EAST. AFTER THE RAIN AND COOL AIR, THERE WILL BE CLEARING BACK TOWARDS PITTSBURGH -- EXPERT. I THINK THAT IS CLOSER TOWARDS SUNSET. HIGH PRESSURE IS BUILDING OVER PARTS OF THE MIDSECTION, THE GREAT PLAINS. THIS WILL BE THE MAIN WEATHER FEATURE OVER THE NEXT 3-5 DAYS. THIS AREA OF SITTING OVER SOUTHERN CANADA WILL ROTATE AND DRIVE IN COOL, CANADIAN AIR OVER THE SUSQUEHANNA VALLEY FOR DAYS TO COME. TEMPERATURES IN THE 60'S IS OF THE FRONT, HERE WE ARE AT 2:00. EVERYBODY IN THE LOW TO MID 50'S WITH THE HEAVIEST OF RAIN EAST OF THE HANNA RIVER -- SUSQUEHANNA RIVER. LANCASTER MAY STILL HAVE SHOWERS. TEMPERATURES WILL REBOUND INTO THE MID-TO UPPER 50'S. THEN A SHOCK OF COLD AIR BUILDS IN. DOWN INTO THE 40'S TONIGHT WITH A CHANCE OF AN ISOLATED SHOWER. -- HIGHS FOR TOMORROW IN THE 50'S, IT WILL FEEL LIKE THE 40'S TOMORROW. FOR FRIDAY MORNING, 34 IN YORK, LOWER 30'S WILL BE POSSIBLE. THE AVERAGE LAST FREEZE, APRIL 21 ALONG AND NORTH OF HARRISBURG. WE COULD EXPERIENCE OUR FREEZE FOR THIS TIME OF THE YEAR. WE NEED TO COVER UP THE PLANTS OVER THE NEXT COUPLE OF NIGHTS. TEMPERATURES WILL STAY COOL FOR THE REST OF THE WEEK AHEAD. IT WILL REBOUND NEAR 60 BY THE TIME WE HAD TO SUNDAY. THE WARMEST TIME OF THE DAY FOR MUCH OF US TEMPERATURES IN THE 60, THEN COMES THE RAIN AND DOWN INTO THE 50'S. WE WILL BARELY MAKE IT TO THE

Line of showers sweeping across Susquehanna Valley

A line of rain is sweeping across the Susquehanna Valley (northwest to southeast) with an accompanying cold front.